667220527416 has 32 divisors (see below), whose sum is σ = 1755843494400. Its totient is φ = 210701219040.

The previous prime is 667220527409. The next prime is 667220527529. The reversal of 667220527416 is 614725022766.

It is a Smith number, since the sum of its digits (48) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 731601000 + ... + 731601911.

It is an arithmetic number, because the mean of its divisors is an integer number (54870109200).

Almost surely, 2^667220527416 is an apocalyptic number.

It is an amenable number.

667220527416 is an abundant number, since it is smaller than the sum of its proper divisors (1088622966984).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

667220527416 is a wasteful number, since it uses less digits than its factorization.

667220527416 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1463202939 (or 1463202935 counting only the distinct ones).

The product of its (nonzero) digits is 1693440, while the sum is 48.

The spelling of 667220527416 in words is "six hundred sixty-seven billion, two hundred twenty million, five hundred twenty-seven thousand, four hundred sixteen".